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Finding the Fourth Proportional to 119,176.43, 178,492.49 and 56,890.67

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Solution

The fourth proportional to 119,176.43, 178,492.49 and 56,890.67 is: 85,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,176.43 : 178,492.49 = 56,890.67 : x
  2. Step 2: Convert to fraction form
    119,176.43/178,492.49 = 56,890.67/x
  3. Step 3: Cross multiply
    119,176.43x = 178,492.49 × 56,890.67
  4. Step 4: Simplify right side
    119,176.43x = 10,154,557,061.61
  5. Step 5: Solve for x
    x = 10,154,557,061.61/119,176.43
  6. Step 6: Final answer
    x = 85,206.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.